Bobcat MT50 Mini Track Loader Workshop Repair Service Manual – 6901510

(S/N: 520611001 & Above – S/N: 522411001 & Above)
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This workshop repair service manual PDF download for the MT50 Bobcat Mini Track Loader has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to fully at every opportunity.

APPLICABLE MODELS :

Bobcat Mini Track Loader MT50
S/N: 520611001 & Above
S/N: 522411001 & Above

TABLE OF CONTENTS :

FOREWORD
SAFETY INSTRUCTIONS
SERIAL NUMBER LOCATIONS
DELIVERY REPORT
BOBCAT LOADER INDENTIFICATION
SAFETY AND MAINTENANCE
HYDRAULIC SYSTEM
DRIVE SYSTEM
MAIN FRAME
ELECTRICAL SYSTEM & ANALYSIS
ENGINE SERVICE
SPECIFICATIONS
SERVICE MANUAL REVISION

MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
P/N : 6901510 (3-06)
Total Pages : 453

This manual PDF download contains specs, diagrams, actual real photo illustrations, and schemes. In addition to space savings, nice thing about having completly searcheble PDF files instead of a hard-printed manual is that you can use the Search feature in your PDF reader software (Adobe Acrobat) to find just what your looking for and just print out the exact pages you need or all manual easily. This is the same manual your local dealer will use when doing a repair. This is a must for the Do-It-Yourselfer! Saving Yourself $$$$$$ In Service Repair And Maintenance Costs !!!!

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MAINTENANCE SAFETY
ALPHABETICAL INDEX
CONTENTS
FOREWORD
SAFETY INSTRUCTIONS
Fire Prevention
SERIAL NUMBER LOCATIONS
Loader Serial Number
Engine Serial Number
DELIVERY REPORT
BOBCAT LOADER INDENTIFICATION

SAFETY AND MAINTENANCE
LIFTING AND BLOCKING THE LOADER
Procedure
Four Point Lift
LIFT ARM SUPPORT DEVICE
Installing Lift Arm Support Device
Removing Lift Arm Support Device
TRANSPORTING THE BOBCAT LOADER
Procedure
TOWING THE LOADER
Procedure
SERVICE SCHEDULE
Chart
AIR CLEANER SERVICE
Replacing the Filter Element
ENGINE COOLING SYSTEM
Checking The Coolant Level
Cleaning The Cooling System
Replacing The Coolant
FUEL SYSTEM
Fuel Specifications
Filling The Fuel Tank
Fuel Filter
Removing Air From The Fuel System
ENGINE LUBRICATION SYSTEM
Checking Engine Oil
Oil Chart
Replacing Oil And Filter
HYDRAULIC SYSTEM
Checking And Adding Fluid
Replacing Hydraulic Filter
Hydraulic Breather Cap
Replacing Hydraulic Fluid
BOB-TACH
Inspection and Maintenance
LUBRICATION OF THE BOBCAT LOADER
Procedure
Pivot Pins
SPARK ARRESTOR MUFFLER
Servicing

HYDRAULIC SYSTEM
HYDRAULIC SCHEMATICS
HYDRAULIC SYSTEM INFORMATION
Workgroup Troubleshooting Chart
Hydraulic Function Troubleshooting
Hydraulic Drive Troubleshooting Chart
CYLINDER (LIFT)
Checking The Lift Cylinder(s)
Removal And Installation
Parts Identification
Disassembly And Assembly
CYLINDER (TILT)
Checking The Tilt Cylinder
Removal And Installation
Parts Identification
Disassembly And Assembly
MAIN RELIEF VALVE
Checking (Workgroup Hydraulic Control Valve)
Removal And Installation (Workgroup Hydraulic Control Valve)
Checking (Left Drive)
Adjustment (Left Drive)
Removal And Installation (Left Drive)
Checking (Right Drive)
Adjustment (Right Drive)
Removal And Installation (Right Drive)
PORT RELIEF VALVE
Checking The Port Relief Valves (Lift)
Adjusting The Port Relief Valves (Lift)
Removal And Installation (Lift)
Checking The Port Relief Valves (Tilt)
Adjusting The Port Relief Valves (Tilt)
Removal And Installation (Tilt)
HYDRAULIC CONTROL VALVE (DRIVE)
Removal And Installation
Disassembly
Assembly
HYDRAULIC CONTROL VALVE (WORK GROUP)
Removal And Installation
Disassembly
Assembly
HYDRAULIC PUMP (ALUMINMUM) (S/N 520611905 & Below)
Check The Output Of The Hydraulic Pump
Removal And Installation
Coupler Removal And Installation
Parts Identification
Disassembly And Assembly
Inspection
HYDRAULIC PUMP (CAST IRON) (S/N 520611906 & above)
Check The Output Of The Hydraulic Pump
Removal And Installation
Parts Identification
Disassembly And Assembly
HYDRAULIC FILTER
Housing Removal And Installation
HYDRAULIC FLUID RESERVOIR
Removal And Installation
DRIVE MOTOR
Removal And Installation
Parts Identification
Disassembly
Inspection
Assembly
COUNTERBALANCE VALVE
Removal And Installation
Disassembly And Assembly
SPEED CONTROL VALVE
Removal And Installation (S/N 520612036 & Below)
Removal And Installation (S/N 520612036 & Below) (Cont’d)
SPEED CONTROL VALVE
Removal And Installation (S/N 520612037 & Above)
Removal And Installation (S/N 520612037 & Above) (Cont’d)
Parts Identification
Disassembly And Assembly
SINGLE INLET MODE SELECT VALVE
Removal And Installation (S/N 520612036 & Below)
Parts Identification (S/N 520612036 & Below)
Disassembly And Assembly (S/N 520612036 & Below)
Removal And Installation (S/N 520612037 & Above)
Parts Identification (S/N 520612037 & Above)
Disassembly And Assembly (S/N 520612037 & Above)
DUAL INLET MODE SELECT VALVE
Removal And Installation (S/N 520612036 & Below)
Parts Identification (S/N 520612036 & Below)
Removal And Installation (S/N 520612037 & Above)
Parts Identification (S/N 520612037 & Above)
LIFT LOCK VALVE
Solenoid Testing
Solenoid Removal And Installation
Removal And Installation
Disassembly And Assembly
TILT LOCK VALVE
Solenoid Testing
Solenoid Removal And Installation
Removal And Installation
Disassembly And Assembly
REVERSE SPEED LIMIT VALVE
Removal and Installation
Disassembly and Assembly
HYDRAULIC OIL COOLER
Removal And Installation

DRIVE SYSTEM
PARKING BRAKE
Handle Removal And Installation
Cable Removal And Installation
Cable Adjustment
Pin Lubrication
DRIVE COMPONENTS
Track Tension
Adjusting The Tracks
Track Removal and Installation
Track Idler Removal and Installation
Parts Identification (Track Idler)
Track Idler Disassembly and Assembly
Track Tensioner Disassembly and Assembly
Track Roller Removal and Installation
Parts Identification (Track Roller)
Track Roller Disassembly and Assembly
Track Frame Removal and Installation
Track Damage Identification
LEFT AND RIGHT TRAVEL ADJUSTMENT
Description
Adjustment (S/N 520611001 thru 520611064, 520611066, 520611068 thru 520611072, 520611074 thru 520611080, 520611082 thru 520611085, 520611087, 520611088, 520611090, 520611091, 520611093, 520611095, 520611096, 520611098, 520611100 thru 52061110…
Adjustment (S/N 520611065, 520611067, 520611073, 520611081, 520611086, 520611089, 520611092, 520611094, 520611097, 520611099 thru 520611105, 520611107 thru 520611118, 520611120 thru 520611129)

MAIN FRAME
BOB-TACH
Removal
Installation
Seal Removal And Installation
Lever And Wedge Removal
LIFT ARM
Removal And Installation
REAR DOOR
Removal And Installation
FUEL TANK
Removal And Installation
CONTROL PANEL PLATE
Removal and Installation
HAND BAR
Removal and Installation
Adjustment
ENGINE COVER
Removal and Installation
Disassembly And Assembly
COUNTERWEIGHT
Removal And Installation
REVERSE STOP PANEL
Description
Inspecting Function
Adjusting
Removal And Installation

ELECTRICAL SYSTEM & ANALYSIS
ELECTRICAL SCHEMATICS
ELECTRICAL SYSTEM INFORMATION
Electrical Troubleshooting Chart
BATTERY
Removal and Installation
Servicing
Using A Booster Battery (Jump Starting)
ALTERNATOR
Removal and Installation (S/N 520611001-520611125)
Removal and Installation (S/N 520611126 & Above)
ALTERNATOR (CONT’D)
Adjusting The Alternator Belt
Description
Tests
Alternator Output Test
Full Field Test
Alternator Regulator Test
Alternator Regulator Test Using Voltmeter
STARTER
Removal And Installation
Checking The Starter In The Loader
Parts Identification
Disassembly
Inspection And Repair
No Load Test
Assembly
INSTRUMENT PANEL
Removal And Installation
Disassembly And Assembly
BLOWER ASSEMBLY
Removal And Installation
Parts Identification
Disassembly And Assembly
ELECTRICAL ATTACHMENT CONTROL REFERENCE
Attachment Control Identification Chart

ENGINE SERVICE
ENGINE INFORMATION AND TESTING
Engine Troubleshooting Chart
ENGINE SPEED CONTROL
Removal And Installation
Disassembly And Assembly
Cable Removal and Installation
MUFFLER
Removal And Installation
AIR CLEANER
Housing Removal and Installation
RADIATOR
Removal And Installation
ENGINE COMPONENTS AND TESTING
Valve Clearance Adjustment
Fuel Injection Pump Check
Fuel Lift Pump Removal And Installation
Fuel Injection Pump Removal And Installation
Fuel Injection Pump Timing
Fuel Injector Nozzles Checking
Fuel Injector Nozzles Removal
Fuel Injector Nozzles Installation
Glow Plugs Checking
Engine Compression Test Procedure
ENGINE
Removal And Installation
Engine Mount Replacement
FRONT ENGINE MOUNT
Removal and Installation
SIDE ENGINE MOUNTS
Removal and Installation
FLYWHEEL AND HOUSING
Flywheel Removal And Installation
Hydraulic Pump Coupler Removal And Installation (Early Version)
Hydraulic Pump Coupler Removal And Installation (Later Version)
Flywheel Ring Gear
RECONDITIONING THE ENGINE
Cylinder Head Removal And Installation
Cylinder Head Inspection
Cylinder Head Top Clearance
Rocker Arm And Shaft Checking
Valve Removal
Valve Spring Checking
Valve Guide Checking
Reconditioning The Valve And Valve Seat
Timing Gearcase Cover Removal And Installation
Idler Gear And Camshaft Removal And Installation
Servicing The Idler Gear And Shaft
Checking Timing Gear Backlash
Fuel Camshaft Removal And Installation
Governor
Crankshaft Gear Removal And Installation
Oil Pump Removal And Installation
Oil Pump Service
Checking Engine Oil Pressure
Relief Valve
Piston And Connecting Rod Removal And Installation
Piston And Connecting Rod Servicing
Connecting Rod Alignment
Crankshaft And Bearings Removal And Installation
Inspection Of Crankshaft And Bearings
Cylinder Bore Inspection
Thermostat Removal And Installation
Testing The Thermostat
Water Pump Removal And Installation
Water Pump Disassembly And Assembly

SPECIFICATIONS
LOADER SPECIFICATIONS (MT50)
Loader Dimensions
Performance
Controls
Engine
Hydraulic System
Electrical
Drive System
Capacities
Tracks
Ground Pressure
ENGINE SPECIFICATIONS
Engine
Fuel Injector Nozzles
Fuel Injection Pump
Cylinder Head
Valves
Valve Springs
Rocker Arms
Camshaft
Cylinders
Piston Rings
Pistons
Crankshaft
Oil Pump
Thermostat
Engine Bolt Torque
Re-Grinding The Crankshaft
LOADER TORQUE
Specifications
TORQUE SPECIFICATIONS FOR BOLTS
Torque For General SAE Bolts
Torque For General Metric Bolts
Torque For Kubota Metric Engine Bolts
HYDRAULIC CONNECTION SPECIFICATIONS
O-ring Face Seal Connection
Straight Thread O-ring Fitting
Tubelines And Hoses
Flare Fitting
O-ring Flare Fitting
Port Seal Fitting
HYDRAULIC FLUID SPECIFICATIONS
Specifications
CONVERSIONS
Decimal And Millimeter Equivalents

SERVICE MANUAL REVISION
Revision No: MT50-1
Revision No: MT50-2

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